Canada B763 over Atlantic on Aug 31st 2023, unreliable airspeed, multiple system failures

Last Update: September 15, 2023 / 08:08:07 GMT/Zulu time

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Incident Facts

Date of incident
Aug 31, 2023

Classification
Incident

Airline
Air Canada

Flight number
AC-7222

Departure
Halifax, Canada

Destination
Liege, Belgium

Aircraft Registration
C-GHLV

Aircraft Type
Boeing 767-300

ICAO Type Designator
B763

An Air Canada Boeing 767-300 freighter, registration C-GHLV performing flight AC-7222 (dep Aug 30th) from Halifax,NS (Canada) to Liege (Belgium), was enroute at FL380 when the crew descended the aircraft to about FL310 reporting unreliable airspeed. The crew subsequently reported multiple systems had failed and declared emergency about 230nm west of Shannon (Ireland). The aircraft continued to maintain FL310 with deviations of up to +/- 200 feet and diverted to London Heathrow, where the aircraft landed safely on runway 27L about 90 minutes after declaring emergency.

The aircraft is still on the ground in London about 34 hours after landing.

On Sep 14th 2023 the Canadian TSB reported: "During cruise, the flight crew received an Indicated Airspeed (IAS) disagree message followed by multiple other EICAS messages. The crew conducted the associated QRH checklists and were unable to pinpoint the fault. In discussion with MOC and Dispatch, the decision was made to divert to Heathrow Airport (EGLL), UK and declare a Mayday. The aircraft landed in EGLL and cleared to taxi without further incident."
Aircraft Registration Data
Registration mark
C-GHLV
Country of Registration
Canada
Date of Registration
gkmpkhkeignccqm Subscribe to unlock
Certification Basis
FeAkfcffnjgqlmcdqnlmAjpdlhinkqehgmlAbfgpmffqnj Subscribe to unlock
TCDS Ident. No.
MbdA Subscribe to unlock
Manufacturer
Boeing
Aircraft Model / Type
767-333
ICAO Aircraft Type
B763
Year of Manufacture
Ngkc Subscribe to unlock
Serial Number
Ad pk Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
PAedAl Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
P Aekp Subscribe to unlock
Engine Count
C Subscribe to unlock
Engine Type
AgnAj emn Subscribe to unlock
Main Owner
GkkfblidpmnhAcebknejlmlqjA j gckdnlqgcpicginimbcAngbckqqjheljjAngkqlqdkqh gcfd Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Aug 31, 2023

Classification
Incident

Airline
Air Canada

Flight number
AC-7222

Departure
Halifax, Canada

Destination
Liege, Belgium

Aircraft Registration
C-GHLV

Aircraft Type
Boeing 767-300

ICAO Type Designator
B763

This article is published under license from Avherald.com. © of text by Avherald.com.
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